Patch "wifi: iwlwifi: mvm: include link ID when releasing frames" has been added to the 6.6-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    wifi: iwlwifi: mvm: include link ID when releasing frames

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     wifi-iwlwifi-mvm-include-link-id-when-releasing-fram.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 99565fe1089186da366d4902296b66882e75c79a
Author: Benjamin Berg <benjamin.berg@xxxxxxxxx>
Date:   Wed Mar 20 23:26:22 2024 +0200

    wifi: iwlwifi: mvm: include link ID when releasing frames
    
    [ Upstream commit e78d7877308989ef91b64a3c746ae31324c07caa ]
    
    When releasing frames from the reorder buffer, the link ID was not
    included in the RX status information. This subsequently led mac80211 to
    drop the frame. Change it so that the link information is set
    immediately when possible so that it doesn't not need to be filled in
    anymore when submitting the frame to mac80211.
    
    Fixes: b8a85a1d42d7 ("wifi: iwlwifi: mvm: rxmq: report link ID to mac80211")
    Signed-off-by: Benjamin Berg <benjamin.berg@xxxxxxxxx>
    Tested-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
    Reviewed-by: Johannes Berg <johannes.berg@xxxxxxxxx>
    Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@xxxxxxxxx>
    Link: https://msgid.link/20240320232419.bbbd5e9bfe80.Iec1bf5c884e371f7bc5ea2534ed9ea8d3f2c0bf6@changeid
    Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 92b3e18dbe877..e9360b555ac93 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -236,21 +236,13 @@ static void iwl_mvm_add_rtap_sniffer_config(struct iwl_mvm *mvm,
 static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
 					    struct napi_struct *napi,
 					    struct sk_buff *skb, int queue,
-					    struct ieee80211_sta *sta,
-					    struct ieee80211_link_sta *link_sta)
+					    struct ieee80211_sta *sta)
 {
 	if (unlikely(iwl_mvm_check_pn(mvm, skb, queue, sta))) {
 		kfree_skb(skb);
 		return;
 	}
 
-	if (sta && sta->valid_links && link_sta) {
-		struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
-
-		rx_status->link_valid = 1;
-		rx_status->link_id = link_sta->link_id;
-	}
-
 	ieee80211_rx_napi(mvm->hw, sta, skb, napi);
 }
 
@@ -636,7 +628,7 @@ static void iwl_mvm_release_frames(struct iwl_mvm *mvm,
 		while ((skb = __skb_dequeue(skb_list))) {
 			iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb,
 							reorder_buf->queue,
-							sta, NULL /* FIXME */);
+							sta);
 			reorder_buf->num_stored--;
 		}
 	}
@@ -2489,6 +2481,11 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
 			if (IS_ERR(sta))
 				sta = NULL;
 			link_sta = rcu_dereference(mvm->fw_id_to_link_sta[id]);
+
+			if (sta && sta->valid_links && link_sta) {
+				rx_status->link_valid = 1;
+				rx_status->link_id = link_sta->link_id;
+			}
 		}
 	} else if (!is_multicast_ether_addr(hdr->addr2)) {
 		/*
@@ -2630,8 +2627,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
 		    !(desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME))
 			rx_status->flag |= RX_FLAG_AMSDU_MORE;
 
-		iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta,
-						link_sta);
+		iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta);
 	}
 out:
 	rcu_read_unlock();